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tminww/README.md

Hi, I'm Serafim Oleinik 👋

Full-stack developer building internal enterprise tools and data-processing systems. 3+ years of experience, mostly with Vue 3 / Nuxt, Python (FastAPI) and PostgreSQL, shipped with Docker — from gathering requirements to deployment.

  • 🔭 Focused on internal business tools, ETL pipelines that handle millions of records, and process automation
  • 💬 Ask me about ETL architecture, full-stack development, deployment with Docker/CI, mentoring juniors
  • 📍 Russia (UTC+3)

Telegram Email: tminww-email@yandex.ru

What I do

  • Full-stack development from scratch: Vue 3 / Nuxt frontend, FastAPI backend, PostgreSQL
  • Data processing and ETL: background jobs, query optimisation, REST APIs for integrations
  • DevOps basics: Docker, CI/CD with GitHub Actions, server setup, HTTPS
  • Working with people: requirements gathering, task breakdown, solo or in a team, mentoring

Tech stack

Frontend
Vue 3 Nuxt TypeScript Vite Pinia Vuetify

Backend
Python FastAPI SQLAlchemy Celery Redis

Databases
PostgreSQL MongoDB

DevOps
Docker GitHub Actions Nginx Caddy Linux Git

Testing
Pytest

Also used
Django Flask PHP Qt C++

How I work

  • Clean, maintainable code; tests for critical logic; documented APIs and architecture decisions
  • Git workflow with feature branches, code review and pull requests
  • Task breakdown and sprint planning; clear communication with clients
  • Education: higher technical education, information security. English: technical (documentation, articles)

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